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download PDF document: ggatel.8.pdf

GGATEL(8) FreeBSD System Manager's Manual GGATEL(8)
NAME ggatel - GEOM Gate local control utility
SYNOPSIS ggatel create [-v] [-o ro | wo | rw] [-s sectorsize] [-t timeout] [-u unit] path ggatel destroy [-f] -u unit ggatel list [-v] [-u unit] ggatel rescue [-v] [-o ro | wo | rw] -u unit path
DESCRIPTION The ggatel utility is a local GEOM Gate class consumer. It can be used as a replacement for md(4) devices or as a "GEOMificator" for non GEOM- aware devices, but it was mainly created as an example on how to use and how to communicate with the GEOM Gate kernel subsystem.
Available commands:
create Create a ggate provider related to the given regular file or device.
destroy Destroy the given ggate provider.
list List ggate providers.
rescue Take over a previously created provider and handle pending and future requests. This is useful if the initial ggatel process died. To prevent data loss, the given path must lead to the regular file or device that was used to create the provider.
Available options:
-f Forcibly destroy ggate provider (cancels all pending requests).
-o ro | wo | rw Specify permissions to use when opening the file or device: read-only (ro), write-only (wo), or read-write (rw). Default is rw.
-s sectorsize Sector size for ggate provider. If not specified, it is taken from the device, or set to 512 bytes for files.
-t timeout Number of seconds to wait before an I/O request will be canceled. 0 means no timeout. Default is 30.
-u unit Unit number to use.
-v Do not fork, run in foreground and print debug information on standard output.
path Path to a regular file or device.
EXIT STATUS Exit status is 0 on success, or 1 if the command fails. To get details about the failure, ggatel should be called with the -v option.
newfs /dev/ggate5.bde mount /dev/ggate5.bde /secret cp /private/foo /secret/ umount /secret gbde detach ggate5 ggatel destroy -u 5
SEE ALSO geom(4), gbde(8), ggatec(8), ggated(8), mount(8), newfs(8)
HISTORY The ggatel utility appeared in FreeBSD 5.3.
AUTHORS The ggatel utility as well as this manual page was written by Pawel Jakub Dawidek <pjd@FreeBSD.org>.
FreeBSD 14.0-RELEASE-p11 September 8, 2016 FreeBSD 14.0-RELEASE-p11